1) n. a woman with many strong masculine features, such as hairy arms or facial hair, or possibly a penis
2) n. a person who loses their temper easily, often due to overuse of drugs or alcohol
3) n. a person who is selfish, conceited, and extremely insecure, and who often argues with others for no reason as a result

1) Man, check out that sepenis, her package is bigger than mine!
2) Damn, that sepenis said she'd shank me because I took her chair!
3) That sepenis just yelled at me because I asked her to lend me a dollar. That bitch is gonna answer to my glock!